The answer is D. The digestive system provides energy to your muscular system by breaking down foods and using those nutrients to create energy. It is like how when you are starving, you feel weak because you don't have energy. When you eat something you get more energy so you can move
Answer: D. Use chocolate cookies and vanilla cookies as parents, and combine half a vanilla cookie and half a chocolate cookie for the offspring.
Explanation:
The answer is competition
Naturally occurring compounds in the earth are called minerals.
An organism that contains foreign DNA, which was inserted into its own genetic material, is called transgenic.